by Yeo, Sock Khim, Ong, Chye Peng, Li, Sam Fong Yau
Published in Analytical chemistry (Washington) (15.10.1991)

by Ong, Chye Peng, Lee, Hian Kee, Li, Sam Fong Yau
Published in Analytical chemistry (Washington) (15.07.1990)

by Li, Sam Fong Yau, Ong, Chye Peng, Yeo, Sock Khim, Ng, Choon Lan
Published in Analytical Sciences (1991)

by SAM FONG YAU LI, CHYE PENG ONG, SOCK KHIM YEO, CHOON LAN NG
Published in Analytical sciences (1991)

by Ong, Chye Peng, Chow, K.K., Ng, Choon Lan, Ong, Fei Min, Lee, Hian Kee, Yau Li, Sam Fong
Published in Journal of Chromatography A (10.02.1995)

by Ong, C P, Lee, H K, Li, S F
Published in Environmental monitoring and assessment (01.10.1991)

by Yik, Y F, Ong, C P, Khoo, S B, Lee, H K, Li, S F
Published in Environmental monitoring and assessment (01.10.1991)

by Yeo, S K, Ong, C P, Lee, H K, Li, S F
Published in Environmental monitoring and assessment (01.10.1991)